1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #ifndef TEE_COMMON_H 28 #define TEE_COMMON_H 29 30 #include <kernel/tee_common_unpg.h> 31 #include <stdlib.h> 32 33 #ifdef MEASURE_TIME 34 /* 35 * Initializes mesaure time. Initializes RTT0 to highest possible 36 * resolution. 37 */ 38 void tee_mtime_init(void); 39 40 /* 41 * Adds a time stamp together the description. Note that only the pointer 42 * is copied, not the contents to minimize impact. 43 */ 44 void tee_mtime_stamp(const char *descr); 45 46 /* 47 * Prints a report of measured times and reinitializes clears the table of 48 * saved time stamps. 49 */ 50 void tee_mtime_report(void); 51 52 void tee_mtime_perftest(void); 53 #else 54 /* Empty macros to not have any impact on code when not meassuring time */ 55 #define tee_mtime_init() do { } while (0) 56 #define tee_mtime_stamp(descr) do { } while (0) 57 #define tee_mtime_report() do { } while (0) 58 #define tee_mtime_perftest() do { } while (0) 59 #endif 60 61 /* 62 * Adds physical pages to the pager to use. The supplied virtual address range 63 * is searched for mapped physical pages and unmapped pages are ignored. 64 * 65 * vaddr is the first virtual address 66 * npages is the number of pages to add 67 */ 68 void tee_pager_add_pages(tee_vaddr_t vaddr, size_t npages); 69 70 void tee_pager_unhide_all_pages(void); 71 72 void tee_pager_unmap(uint32_t page, uint8_t psize); 73 74 #endif /* TEE_COMMON_H */ 75